In the ongoing attempt by the US government to access Twitter info from some Wikileaks supporters, we noted that an odd part of the government's reasoning for why it should be allowed access to this info is that Twitter's privacy policy is evidence that users are willing to give up private info such as the info requested.
That would seem to set a dangerous precedent, especially since almost no one reads privacy policies.
Retweeting is one of the best ways to share content on Twitter: as we mentioned in our article